滾動軸承中的向心軸承(主要承受徑向力)通常由內圈、外圈、滾動體和滾動體保持架4部分組成。內圈緊套在軸頸上并與軸一起旋轉，外圈裝在軸承座孔中。在內圈的外周和外圈的內周上均制有滾道。當內外圈相對轉動時，滾動體即在內外圈的滾道上滾動，它們由保持架隔開，避免相互摩擦。推力軸承分緊圈和活圈兩部分。緊圈與軸套緊，活圈支承在軸承座上。套圈和滾動體通常采用強度高、耐磨性好的滾動軸承鋼制造，淬火后表面硬度應達到HRC60~65。保持架多用軟鋼沖壓制成，也可以采用銅合金夾布膠木或塑料等制造。

國興軸承竭誠歡迎海內外軸承界人士惠顧，攜手拓展“LK”市場。 Introduction

Quanzhou Guoxing Bearing Co.Ltd. was founded in1995,covering about 100000m2, with building areas of more than 58000m2.Well equipped with more than 500 sets of various machine, the annual yield reaches 10 millions sets.

Our dominant product is bearing unit.With the advantages of compact structure, self-aligning, well sealed, easy to equip, and reasonable price,it is widely applied in machinery of agriculture